MITSUI SUMITOMO INSURANCE CO LTD 4
4 · BERKLEY W R CORP · Filed Feb 18, 2026
Research Summary
AI-generated summary of this filing
WR Berkley (WRB) 10% Owner Mitsui Sumitomo Buys 566,386 Shares
What Happened
- Mitsui Sumitomo Insurance Co., Ltd. (a reported 10% owner) purchased a total of 566,386 shares of W. R. Berkley Corporation (WRB) in open-market/private purchases on Feb 17–18, 2026. The three reported buys were: 281,386 shares at a weighted average $71.19 ($20.03M), 239,750 shares at $70.58 ($16.92M), and 45,250 shares at $70.96 (~$3.21M), for a combined cost of about $40.17 million. These are purchases (a bullish signal in isolation), executed under a pre-established Rule 10b5-1 plan.
Key Details
- Transaction dates and reported amounts:
- 2026-02-17: 281,386 shares @ $71.19 (weighted avg; range $70.595–$71.573) — $20,032,854
- 2026-02-18: 239,750 shares @ $70.58 (weighted avg; range $69.9646–$70.90) — $16,922,730
- 2026-02-18: 45,250 shares @ $70.96 (weighted avg; range $70.9003–$71.435) — $3,210,908
- Total: 566,386 shares purchased for ~$40,166,492.
- Shares owned after the transactions: not specified in the provided filing excerpt.
- Notable footnotes:
- Purchases were effected pursuant to a Rule 10b5-1 purchase plan adopted Oct 3, 2025 (F1).
- Reported prices are weighted averages across multiple trades; per-footnote price ranges are provided (F2–F5).
- Shares are held directly by MSI; MS&AD (the parent) may be deemed to beneficially own them but disclaims ownership except for pecuniary interest (F3).
- Remarks reference prior agreements and a Schedule 13D filing and disclaimers regarding WR Berkley & Others LLC.
- Timeliness: Filing dated Feb 18, 2026 covering transactions through Feb 17, 2026—appears filed promptly.
Context
- This filing reflects institutional purchasing by a 10% shareholder, not executive insider trading. The 10b5-1 plan means trades were made under a pre-set program and may not reflect contemporaneous changes in view. Institutional purchases can be informative to investors but do not guarantee future stock performance.
Insider Transaction Report
Form 4
MITSUI SUMITOMO INSURANCE CO LTD
10% Owner
Transactions
- Purchase
Common Stock
[F1][F2][F3]2026-02-17$71.19/sh+281,386$20,032,854→ 56,878,038 total - Purchase
Common Stock
[F1][F4][F3]2026-02-18$70.58/sh+239,750$16,922,730→ 57,117,788 total - Purchase
Common Stock
[F1][F5][F3]2026-02-18$70.96/sh+45,250$3,210,908→ 57,163,038 total
Footnotes (5)
- [F1]The purchases reported on this Form 4 were effected pursuant to a Rule 10b5-1 purchase plan, adopted October 3, 2025.
- [F2]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $70.595 to $71.573. The Reporting Persons undertake to provide to W.R. Berkley Corporation (the "Issuer"), any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnotes 4 and 5.
- [F3]The shares are held directly by Mitsui Sumitomo Insurance Co., Ltd. ("MSI"). Because MSI is a wholly-owned subsidiary of MS&AD Insurance Group Holdings, Inc. ("MS&AD"), MS&AD may be deemed to beneficially own the reported securities. MS&AD expressly disclaims beneficial ownership of the reported securities, except to the extent of its pecuniary interest therein.
- [F4]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $69.9646 to $70.90.
- [F5]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $70.9003 to $71.435.